25754242 has 8 divisors (see below), whose sum is σ = 39877632. Its totient is φ = 12461700.

The previous prime is 25754171. The next prime is 25754243. The reversal of 25754242 is 24245752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (25754243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207634 + ... + 207757.

It is an arithmetic number, because the mean of its divisors is an integer number (4984704).

Almost surely, 2^25754242 is an apocalyptic number.

25754242 is a deficient number, since it is larger than the sum of its proper divisors (14123390).

25754242 is a wasteful number, since it uses less digits than its factorization.

25754242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415424.

The product of its digits is 22400, while the sum is 31.

The square root of 25754242 is about 5074.8637420132. The cubic root of 25754242 is about 295.3132438248.

Adding to 25754242 its reverse (24245752), we get a palindrome (49999994).

The spelling of 25754242 in words is "twenty-five million, seven hundred fifty-four thousand, two hundred forty-two".